National Museum of Nuclear Science & History
A. Castle worked for the Roane-Anderson Company.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Weisiger worked at Oak Ridge during the Manhattan Project, although it remains unknown what his specific duties were.
